Home / 11,325.70-15,629.57-6,609.07

Finding the Fourth Proportional to 11,325.70, 15,629.57 and 6,609.07

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Solution

The fourth proportional to 11,325.70, 15,629.57 and 6,609.07 is: 9,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.70 : 15,629.57 = 6,609.07 : x
  2. Step 2: Convert to fraction form
    11,325.70/15,629.57 = 6,609.07/x
  3. Step 3: Cross multiply
    11,325.70x = 15,629.57 × 6,609.07
  4. Step 4: Simplify right side
    11,325.70x = 103,296,922.20
  5. Step 5: Solve for x
    x = 103,296,922.20/11,325.70
  6. Step 6: Final answer
    x = 9,120.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.